Note. JT's interest in query models is to understand the type of objects that could be returned from a query - eg querying a 4d cube to get a trajectory as a return type. Looking to identify topology of feature types in terms of things we are sampling, and things we are returning from queries.

2) Review use-case progress

Aaron: No change to use cases. In WXXM mapping use cases onto netcdf4 (currently classic model), grib2 and WXXM.

NEW ACTION A45:AB Aaron to send out email or info on this process.

UC2: current aviation operational meteorology services

Pete T: Ongoing discussions with defence partners. Not sure what we want to get out of use cases - depending on how we do things in the future. e.g. as we move towards high res data we can rely more on machine intelligence to identify phenomena/events/features from the hi res data rather than relying on a forecaster creating the data objects

e.g. Why would we want to describe a cold front, whereas really we want a gust front.

Flip side (JT) - interested in where the visibility is less than 50ft in a sandstorm. When that info is converted into GIS standards then it is easier to provide a polygon with a boundary rather than giving them a high-res grid. Feature extraction is useful.

Aaron and Jeremy planning on getting together to talk about Nextgen by skype - Pete to also discuss this problem jointly.

UC3: routine operational forecasting activity at national weather service in support of severe weather warning service

Frederic: No change on this use case -very wide scope. Maybe it should be split to have a routine operational forecasting activity. Agreed.

Fred: core business is hydrology, Met is just a data provider for this use case. Beginning work on inspire use cases - identified 4 sub cases, mainly data access eg to provide rain obs or forecast to hydrological models.

NEW ACTION A48 FG: Upload UC11 info to twiki

UC12: Plume Forecasting in Support of Emergency Response

Bruce: started high level analysis - trying to populate inspire use case template. Also (by coincidence) has 4 sub use cases.

All need to begin publishing stuff even if it's half finished! Helps with group collaboration and feedback. Take a look at Jeremy's UC7

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